JavaScript/jQuery ButtonGroup Options
This section describes properties that configure the ButtonGroup UI component's contents, behavior and appearance.
accessKey
The value of this property will be passed to the accesskey
attribute of the HTML element that underlies the UI component.
buttonComponent
An alias for the buttonTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.
buttonRender
An alias for the buttonTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.
buttonTemplate
jQuery
$(function() { $("#buttonGroupContainer").dxButtonGroup({ // ... buttonTemplate: function(itemData, $buttonContent) { $buttonContent.append( // Custom jQuery elements go here ) // ===== or ===== return /* your markup goes here */ } }); });
Angular
<dx-button-group ... buttonTemplate="myTemplate"> <div *dxTemplate="let buttonData of 'myTemplate'"> <!-- your markup goes here --> </div> </dx-button-group>
import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { DxButtonGroupModule } from 'devextreme-angular'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, DxButtonGroupModule ], providers: [], bootstrap: [AppComponent] }) export class AppModule { }
Vue
<template> <DxButtonGroup ... button-template="myTemplate"> <template #myTemplate="{ data }"> <!-- your markup goes here --> </template> </DxButtonGroup> </template> <script> import 'devextreme/dist/css/dx.common.css'; import 'devextreme/dist/css/dx.light.css'; import { DxButtonGroup } from 'devextreme-vue'; export default { components: { DxButtonGroup }, data() { return { // ... } } } </script>
React
import React from 'react'; import 'devextreme/dist/css/dx.common.css'; import 'devextreme/dist/css/dx.light.css'; import { ButtonGroup } from 'devextreme-react'; const renderButton = (data) => { return ( {/* your markup goes here */} ); } class App extends React.Component { render() { return ( <ButtonGroup ... buttonRender={renderButton} /> ); } } export default App;
elementAttr
Specifies the global attributes to be attached to the UI component's container element.
jQuery
$(function(){ $("#buttonGroupContainer").dxButtonGroup({ // ... elementAttr: { id: "elementId", class: "class-name" } }); });
Angular
<dx-button-group ... [elementAttr]="{ id: 'elementId', class: 'class-name' }"> </dx-button-group>
import { DxButtonGroupModule } from "devextreme-angular"; // ... export class AppComponent { // ... } @NgModule({ imports: [ // ... DxButtonGroupModule ], // ... })
Vue
<template> <DxButtonGroup ... :element-attr="buttonGroupAttributes"> </DxButtonGroup> </template> <script> import DxButtonGroup from 'devextreme-vue/button-group'; export default { components: { DxButtonGroup }, data() { return { buttonGroupAttributes: { id: 'elementId', class: 'class-name' } } } } </script>
React
import React from 'react'; import ButtonGroup from 'devextreme-react/button-group'; class App extends React.Component { buttonGroupAttributes = { id: 'elementId', class: 'class-name' } render() { return ( <ButtonGroup ... elementAttr={this.buttonGroupAttributes}> </ButtonGroup> ); } } export default App;
height
This property accepts a value of one of the following types:
Number
The height in pixels.String
A CSS-accepted measurement of height. For example,"55px"
,"80%"
,"inherit"
.Function
A function returning either of the above. For example:JavaScriptheight: function() { return window.innerHeight / 1.5; }
items[]
The items array can contain:
- Objects with fields described in this section
- Objects with any other fields. In this case, specify the buttonTemplate.
If you need to update the UI component items, reassign the entire items[] array as shown in the following example:
buttonGroupInstance.option('items', newItems);
See Also
onContentReady
A function that is executed when the UI component's content is ready and each time the content is changed.
Name | Type | Description |
---|---|---|
component |
The UI component's instance. |
|
element |
The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
Model data. Available only when using Knockout. |
onDisposing
A function that is executed before the UI component is disposed of.
Name | Type | Description |
---|---|---|
component |
The UI component's instance. |
|
element |
The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
Model data. Available only if you use Knockout. |
onInitialized
Name | Type | Description |
---|---|---|
component |
The UI component's instance. |
|
element |
The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery. |
onItemClick
Name | Type | Description |
---|---|---|
component |
The UI component's instance. |
|
element |
The UI component's container. |
|
event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
itemData |
The clicked button's data. |
|
itemElement |
The button's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
itemIndex |
The clicked button's index. |
|
model |
Model data. Available only if you use Knockout. |
onOptionChanged
Name | Type | Description |
---|---|---|
model |
Model data. Available only if you use Knockout. |
|
fullName |
The path to the modified property that includes all parent properties. |
|
element |
The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
component |
The UI component's instance. |
|
name |
The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into. |
|
value | any |
The modified property's new value. |
The following example shows how to subscribe to component property changes:
jQuery
$(function() { $("#buttonGroupContainer").dxButtonGroup({ // ... onOptionChanged: function(e) { if(e.name === "changedProperty") { // handle the property change here } } }); });
Angular
<dx-button-group ... (onOptionChanged)="handlePropertyChange($event)"> </dx-button-group>
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { // ... handlePropertyChange(e) { if(e.name === "changedProperty") { // handle the property change here } } }
import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { DxButtonGroupModule } from 'devextreme-angular'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, DxButtonGroupModule ], providers: [ ], bootstrap: [AppComponent] }) export class AppModule { }
Vue
<template> <DxButtonGroup ... @option-changed="handlePropertyChange" /> </template> <script> import 'devextreme/dist/css/dx.common.css'; import 'devextreme/dist/css/dx.light.css'; import DxButtonGroup from 'devextreme-vue/button-group'; export default { components: { DxButtonGroup }, // ... methods: { handlePropertyChange: function(e) { if(e.name === "changedProperty") { // handle the property change here } } } } </script>
React
import React from 'react'; import 'devextreme/dist/css/dx.common.css'; import 'devextreme/dist/css/dx.light.css'; import ButtonGroup from 'devextreme-react/button-group'; const handlePropertyChange = (e) => { if(e.name === "changedProperty") { // handle the property change here } } export default function App() { return ( <ButtonGroup ... onOptionChanged={handlePropertyChange} /> ); }
onSelectionChanged
Name | Type | Description |
---|---|---|
addedItems | Array<any> |
The data objects that correspond to the selected buttons. |
component |
The UI component's instance. |
|
element |
The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
model |
Model data. Available only if you use Knockout. |
|
removedItems | Array<any> |
The data objects that correspond to the buttons whose selection has been canceled. |
rtlEnabled
When this property is set to true, the UI component text flows from right to left, and the layout of elements is reversed. To switch the entire application/site to the right-to-left representation, assign true to the rtlEnabled field of the object passed to the DevExpress.config(config) method.
DevExpress.config({ rtlEnabled: true });
selectedItemKeys
Array<any>
The data field that provides the keys can be specified using the keyExpr property.
See Also
selectedItems
Contains the data objects that correspond to the selected buttons. The data objects are taken from the items array.
Array<any>
tabIndex
The value of this property will be passed to the tabindex
attribute of the HTML element that underlies the UI component.
width
This property accepts a value of one of the following types:
Number
The width in pixels.String
A CSS-accepted measurement of width. For example,"55px"
,"80%"
,"auto"
,"inherit"
.Function
A function returning either of the above. For example:JavaScriptwidth: function() { return window.innerWidth / 1.5; }
If you have technical questions, please create a support ticket in the DevExpress Support Center.